音频
在线转换、压缩和合并您的音频文件。
Free, fast, private online tools
Every tool on this page is 100% free, mobile-ready, and runs in your browser — no account, no plugin, no watermark. Files are processed over HTTPS and automatically deleted one hour after upload. We chose FileSwiftly precisely because people should not need to create an account for a 5-second file operation.
Why use FileSwiftly
Files deleted in 1h
HTTPS upload, isolated storage, automatic purge after 60 minutes.
Lightning-fast
Most operations finish in under 10 seconds on server-side infrastructure.
No signup, no watermark
No email required, no account, and your output never carries a branding watermark.
Mobile-first
Every tool works on iOS and Android with the same features as desktop.
Common questions
Are these tools really free?
Yes — every tool is free, without signup or hidden quota. Infrastructure is funded by non-intrusive ads.
Is my file safe?
Uploads use TLS encryption, storage is isolated, and files are automatically deleted after 1 hour. No human reviews your content.
Do I need an account?
No account, no email, nothing required. Upload and download — that's it.
Does it work on mobile?
Yes, every tool is mobile-first and works on any modern browser.